On Mon, Oct 16, 2017 at 9:51 PM, Matthew Miller <mat...@fedoraproject.org>
wrote:

> On Tue, Oct 17, 2017 at 03:20:09AM +0200, Radka Janekova wrote:
> > so recently I managed to destroy[1] two production servers by removing
> what
> > I saw as useless web-config utility. Apparently Cockpit depends on
> > NetworkManager, which nobody would expect and is easily overlooked.
> > PLEASE FIX
>
> I think the bug here is that DNF is being over-zealous. NetworkManager
> does not require Cockpit, but Cockpit requires NetworkManager. For some
> reason, DNF thinks that Cockpit is the *only* reason NetworkManager is
> installed, and "helpfully" decides to remove it.


This is clean_requirements_on_remove being helpful as usual. Never should
have been a default setting as I've argued before, and the first thing I
disable in /etc/dnf/dnf.conf.
http://dnf.readthedocs.io/en/latest/conf_ref.html#clean-requirements-on-remove-label

-Dan
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